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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
6 Months Ended
Jan. 31, 2018
Jan. 31, 2017
Operating activities:    
Net earnings $ 30,109 $ 47,850
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization 12,840 14,102
Non-cash portion of stock-based compensation expense 5,897 5,394
Deferred income taxes 26,028 (4,547)
Changes in operating assets and liabilities (net of effects of business acquisitions/divestitures):    
Accounts receivable (10,945) 3,407
Inventories (4,150) 224
Prepaid expenses and other assets (3,153) 220
Accounts payable and other liabilities (12,695) (9,384)
Income taxes (1,471) (3,932)
Net cash provided by operating activities 42,460 53,334
Investing activities:    
Purchases of property, plant and equipment (8,469) (7,235)
Other (729) 593
Net cash used in investing activities (9,198) (6,642)
Financing activities:    
Payments of Dividends (21,373) (20,852)
Proceeds from exercise of stock options 9,948 14,659
Proceeds from (Repayments of) Lines of Credit (57,314) (195,002)
Income tax on equity-based compensation, and other (2,342) (640)
Net cash used in financing activities (53,642) (57,302)
Effect of exchange rate changes on cash 1,763 (5,410)
Net decrease in cash and cash equivalents (18,617) (16,020)
Cash and cash equivalents, beginning of period 133,944 141,228
Cash and cash equivalents, end of period $ 115,327 $ 125,208